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The A** Kicker coffee, as its name suggests, is one of the most potent coffees out there. Available at the Viscous Coffee café in Adelaide, Australia, it has half the lethal dose of caffeine and 50 times more caffeine than your regular cup of coffee. [slideshow:1685853]​

Here’s the skinny on this dangerous drought: The A** Kicker is made with four shots of espresso, four 48-hour brewed cold drip ice cubes, 120 milliliters of 10-day brewed cold drip, and finished with four more 48-hour brewed cold drip ice cubes.

The café warns customers not to slurp this coffee down because the results could be lethal. The 8-ounce cup of coffee with 5 grams of caffeine should be drank slowly over the course of four hours. The resulting buzz (which is probably louder than a swarm of hornets), will last approximately eight to 12 hours.

“Some people love it and some are broken by it but it’s all in the name of fun,” owner Steve Bennington told The Advertiser.